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Meeting the multimillion hectare commitments for forest and landscape restoration (FLR) will require billions of tree seed and seedlings. However, the adequacy of seed supply in terms of quantity, genetic diversity and quality has received scant attention in FLR planning. We surveyed 139 FLR proj...


Jalonen, R.Valette, M.Boshier, D.Duminil, J.Thomas, E.[Forest and landscape restoration severely constrained by a lack of attention to the quantity and quality of tree seed: Insights from a global survey]Forest and landscape restoration severely constrained by a lack of attention to the quantity and quality of tree seed: Insights from a global survey

In 1985 3 new cv. (Frijolica 0-3.1, Frijolica 0-3.2, and Frijolica LS-3.3) were released as a result of collaborative research between the Instituto Colombiano Agropecuario (ICA) and CIAT. At the Centro Regional de Investigacion (CRI)-La Selva (Antioquia, Colombia), 190 new advanced climbing bean...

En 1985 se liberaron 3 nuevos cv. (Frijolica 0-3.1, Frijolica 0- 3.2 y Frijolica LS-3.3), como resultado de investigacion colaborativa entre el Instituto Colombiano Agropecuario (ICA) y CIAT. En el Centro Regional de Investigacion (CRI)-La Selva (Antioquia, Colombia) se codificaron 190 nuevas lin...


International Center for Tropical Agriculture[Genetic improvement and related activities. Regional activities. Andean zone]Genetic improvement and related activities. Regional activities. Andean zone

During 1986 screening of advanced bean lines for efficiency at low levels of P and for tolerance to high levels of Al saturation continued. A review of data from 8 yr. of screening indicated that the genetic variability of beans for these 2 characteristics is low. Furthermore, the data suggest th...

La seleccion de lineas avanzadas de frijol por eficiencia a bajos niveles de P y tolerancia a altos niveles de saturacion de Al continuo durante 1986. Una revision de datos de 8 anos de seleccion indico que la variabilidad genetica de frijol para estas 2 caracteristicas es baja. Ademas, los datos...


International Center for Tropical Agriculture[Genetic improvement and related activities. Improvement of individual characters. Tolerance to acid soils]Genetic improvement and related activities. Improvement of individual characters. Tolerance to acid soils

CIAT has a collaborative bean breeding project with the Institute for Horticultural Plant Breeding in the Netherlands. In 1986 research was concentrated on incorporating resistance to BCMV into CIAT-bred lines. Testing for beans resistant to the BCMV-Tn strain continued. Selections came from the ...

Ciat tiene un proyecto colaborativo de mejoramiento de frijol con el institute for horticultural plant breeding en los paises bajos. en 1986 la investigacion se concentro en la incorporacion de resistencia a bcmv en lineas mejoradas del ciat. continuan las pruebas para resistencia del frijola la ...


International Center for Tropical Agriculture[Genetic improvement and related activities. Regional activities. IVT-CIAT collaboration]Genetic improvement and related activities. Regional activities. IVT-CIAT collaboration

The concept and methodology used in the transfer of technology (TOT) have undergone changes over the years corresponding to farmers' needs, and as a result, farmer participatory TOT has become more relevant, especially in complex diversified risk-prone (CDR) farming systems. The TOT in cassava, w...


Ramanathan, S.Anantharaman, M.[Farmer participatory research in cassava technology transfer in India]Farmer participatory research in cassava technology transfer in India

Since considerable progress has been made in the yielding ability and disease resistance through single-trait selection of cassava material for HI, branching type, or resistance to CBB (Xanthomonas campestris pv. manihotis) and superelongation [Sphaceloma (Elsinoe) manihoticola], emphasis in sele...

Debido a que se han obtenido considerales progresos en la capacidad de rendimiento y en la resistencia a enfermedades mediante la seleccion de materiales de yuca por sus caracteristicas individuales en relacion con IC, tipo de ramificacion o resistencia a CBB (Xanthomonas capestris pv. manihotis)...


International Center for Tropical Agriculture[Varietal improvement]Varietal improvement

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